Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2013 BMW 328xi, 2012 BMW 328xi, 2011 BMW 328xi, 2010 BMW 335xi, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove COIL SPRING AT REAR
If necessary, remove jointed rod of ride-height sensor from camber arm bracket
Remove rear SHOCK ABSORBER FROM RUBBER MOUNT
Remove CAMBER ARM FROM WHEEL CARRIER
Remove TRAILING ARM FROM WHEEL CARRIER

Pull out and remove ball joint with special tools 33 4 465, 33 4 466, 33 4 475, 33 4 474 and 33 4 482.

Fig 1: Pulling Out Ball Joint Using Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Push in new ball joint until it stops using special tools 33 4 481, 33 4 474, 33 4 475, 33 4 466 and 33 4 465.

Fig 2: Pushing Ball Joint Using Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.